Provide option to suppress test failure output

[theoutlander]

Do you want to request a feature or report a bug?
Feature

What is the current behavior?
When a test fails, the console output displays details about the code/line where the test failed. This is expected.

When I use silent/verbose, it appears to suppress everything else, except test failures.

What is the expected behavior?
It would be nice to be able to suppress the specifics of the test failure so the report will only show a pass/fail summary. I think this could be achieved via a custom reporter, but I feel that it would be appropriate as a core feature.

Please provide your exact Jest configuration and mention your Jest, node,
yarn/npm version and operating system.
Node 8.9.1
Jest 22.0.4
Npm 5.6.0

[SimenB]

I think that's fair. PR welcome! 🙂

[theoutlander]

@SimenB Do you think a new option/parameter should be introduced for this or should this be a part of the silent option? The latter will change the existing behaviour though.

[SimenB]

Separate, I think. We can maybe merge them in a later major release if need be

[cpojer]

See the comment to the PR. This is something that would be better handled by a custom reporter.

[rickhanlonii]

@theoutlander I'm up for adding this as a flag for jest-silent-reporter if you want to open a request there

[theoutlander]

@rickhanlonii sorry for the delayed response. I completely missed this comment amongst millions of notifications.

What is the purpose of jest-silent-reporter? Are you saying that introducing that flag will provide the desired behavior?

[rickhanlonii]

jest-silent-reporter is a custom reporter that only outputs the failed tests, I'm up for adding a flag to that reporter to only show the file names instead of the full diff

Also see #3322

[sunfit]

Hey, so I ran in to the same issue and could not find a solution through google, so I ended up writing my own reporter jest-summarizing-reporter.

Only when time came to publish to npm did I find out that at least 3 packages with same functionality already exist npm search results for jest summary reporters

If anyone finds this thread in same situation as I did, I hope this helps you.

P.S. I agree with OP that achieving this result should be possible without a custom reporter.

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